209777736

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:539

約数の個数: 128

約数和(自身を含む): 623462400

約数和(自身を除く): 413684664

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 71, 84, 86, 129, 142, 168, 172, 213, 258, 284, 301, 344, 409, 426, 497, 516, 568, 602, 818, 852, 903, 994, 1032, 1204, 1227, 1491, 1636, 1704, 1806, 1988, 2408, 2454, 2863, 2982, 3053, 3272, 3612, 3976, 4908, 5726, 5964, 6106, 7224, 8589, 9159, 9816, 11452, 11928, 12212, 17178, 17587, 18318, 21371, 22904, 24424, 29039, 34356, 35174, 36636, 42742, 52761, 58078, 64113, 68712, 70348, 73272, 85484, 87117, 105522, 116156, 123109, 128226, 140696, 170968, 174234, 203273, 211044, 232312, 246218, 256452, 348468, 369327, 406546, 422088, 492436, 512904, 609819, 696936, 738654, 813092, 984872, 1219638, 1248677, 1477308, 1626184, 2439276, 2497354, 2954616, 3746031, 4878552, 4994708, 7492062, 8740739, 9989416, 14984124, 17481478, 26222217, 29968248, 34962956, 52444434, 69925912, 104888868, 209777736]

約数ペア:

[(1, 209777736), (2, 104888868), (3, 69925912), (4, 52444434), (6, 34962956), (7, 29968248), (8, 26222217), (12, 17481478), (14, 14984124), (21, 9989416), (24, 8740739), (28, 7492062), (42, 4994708), (43, 4878552), (56, 3746031), (71, 2954616), (84, 2497354), (86, 2439276), (129, 1626184), (142, 1477308), (168, 1248677), (172, 1219638), (213, 984872), (258, 813092), (284, 738654), (301, 696936), (344, 609819), (409, 512904), (426, 492436), (497, 422088), (516, 406546), (568, 369327), (602, 348468), (818, 256452), (852, 246218), (903, 232312), (994, 211044), (1032, 203273), (1204, 174234), (1227, 170968), (1491, 140696), (1636, 128226), (1704, 123109), (1806, 116156), (1988, 105522), (2408, 87117), (2454, 85484), (2863, 73272), (2982, 70348), (3053, 68712), (3272, 64113), (3612, 58078), (3976, 52761), (4908, 42742), (5726, 36636), (5964, 35174), (6106, 34356), (7224, 29039), (8589, 24424), (9159, 22904), (9816, 21371), (11452, 18318), (11928, 17587), (12212, 17178)]